Propulsion Engineer II - Spacecraft Engine Team Verified today

About Firefly Aerospace

Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. Headquartered in north Austin, Texas, Firefly was the first commercial company to launch a satellite to orbit with 24-hour notice and the first to achieve a successful Moon landing.

The Role

Join the Spectre Engine team as Propulsion Engineer II. You will develop hypergol engines for our Blue Ghost program, working across the full project lifecycle from design and analysis through manufacturing, testing, and operational support. You will collaborate closely with structures, fluid systems, and avionics teams, take ownership of critical projects, and make decisions that shape leading-edge propulsion systems in a fast-paced environment.

What You Will Own

• Serve as Responsible Engineer for in-space propulsion hardware including main and attitude control engines, valves, and propellant tanks
• Develop design concepts for propulsion integration and operations that reduce complexity and maximize reliability within budget
• Own and execute development, qualification, and acceptance testing of flight hardware
• Perform flight operations as a primary operator for fluids and propulsion systems
• Act as primary point of contact for design, analysis, and operations of spacecraft fluid systems
• Execute design for manufacturability changes to enhance production efficiency and vehicle reliability
• Identify system risks and conduct trade studies to ensure successful vehicle operation
• Assist in developing manufacturing, integration, and test processes including work instructions, test procedures, and development testing
• Drive development of automation and test data analysis tools

Required Qualifications

• BS in Aerospace Engineering or related engineering discipline
• 3+ years of experience working on a spacecraft engine or spacecraft fluid systems
• Strong engineering fundamentals in fluids, thermodynamics, and mechanics
• Experience in Siemens NX or equivalent CAD program
• Comprehension of design fundamentals including tolerancing, ASME Standards, ASTM, and GD&T
• Ability to effectively work in a multi-discipline team and provide technical guidance and insight

Desired Qualifications

• Master's Degree in Mechanical, Aerospace, or related engineering discipline
• 5+ years of progressive experience in related engineering discipline
• Experience with storable liquid propulsion (NTO/MMH, Hydrazine)
• Experience leading technical reviews (design and analysis) or investigations (risk, anomaly, or trade studies)
• Hands-on experience with integrating test articles and sub-assemblies for test or production
• Prior experience working with data acquisition systems and test instrumentation including pressure transducers, thermocouples, resistance temperature detectors, flow meters, load cells, and accelerometers
• Experience with end to end ownership of technical projects from conception to delivery
• Strong interpersonal and organizational skills

Benefits

Firefly offers generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.

Requirements

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.